Today's Weather Forecast - Hanoi

Today's weather in Hanoi. high 30°C (86°F), low 22°C (72°F). Mainly Clear.

Today’s Hourly Weather Outlook

Morning6 AM – Noon26°
Wind speed
16 km/h
Rain probability
70%
AfternoonNoon – 6 PM30°
Wind speed
15 km/h
Rain probability
33%
Evening6 PM – Midn26°
Wind speed
11 km/h
Rain probability
10%
NightMidn – 6 AM23°
Wind speed
11 km/h
Rain probability
100%

24-Hour Rain & Temperature Forecast

Sunrise & Sunset

Sunrise
Dawn 5:12 AM
Total Daylight
Day completeSolar noon 11:53 AM
Sunset
Dusk 6:33 PM
RemainingDaylight ended
Solar elevation-26°
vs yesterday-2 min

Air Quality Index & Health Advice

Air Quality Index

Air quality level
Good
Dominant pollutant
Dominant: PM2.5
Monitoring station
Hanoi, Vietnam (Hà Nội)
PM2.5
8μg/m³
PM10
4μg/m³
O₃
12ppb
SO₂
5ppb
0Good → Hazardous300+

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

Hanoi is forecast to reach a high of 30°C today, with an overnight low around 22°C. That's 1° below the long-term average high of 31°C for this time of year. Expect a high chance of rain (100% probability) and a gentle breeze averaging 16 km/h. Air quality is currently Unhealthy for Sensitive Groups (AQI 114), driven mainly by O₃ at 75 μg/m³.

Today vs Normal

30°C-1° below normal

The long-term average high for today is 31°C.

22 of the last 28 days with published data ran above normal.

That's a break from the pattern - today's forecast runs below normal even though the recent stretch mostly ran above.

2026-08-28: 33°C33°2026-08-29: 31°C31°2026-08-30: 34°C34°2026-08-31: 33°C33°2026-09-01: 33°C33°2026-09-02: 33°C33°2026-09-03: 33°C33°2026-09-04: 32°C32°2026-09-05: 30°C30°2026-09-06: 31°C31°2026-09-07: 32°C32°2026-09-08: 33°C33°

Red = above normal, blue = at or below · last 12 days

Air Quality

Air Quality
Unhealthy for Sensitive Groups

Health effects can be felt by sensitive groups, including children, older adults, and people with respiratory or heart conditions. The general public is less likely to be affected.